参数资料
型号: EFM32G840F128
厂商: Energy Micro
文件页数: 46/69页
文件大小: 0K
描述: IC MCU 32BIT 128KB FLASH 64QFN
特色产品: EFM32 Gecko
标准包装: 1
系列: Gecko
核心处理器: ARM? Cortex?-M3
芯体尺寸: 32-位
速度: 32MHz
连通性: EBI/EMI,I²C,IrDA,智能卡,SPI,UART/USART
外围设备: 欠压检测/复位,DMA,LCD,POR,PWM,WDT
输入/输出数: 56
程序存储器容量: 128KB(128K x 8)
程序存储器类型: 闪存
RAM 容量: 16K x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 3.8 V
数据转换器: A/D 8x12b,D/A 2x12b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 64-VFQFN 裸露焊盘
包装: 标准包装
其它名称: 914-1015-6
...the world's most energy friendly microcontrollers
2013-06-28 - EFM32G840FXX - d0008_Rev1.60
50
www.energymicro.com
QFN64 Pin#
and Name
Pin Alternate Functionality / Description
Pin
#
Pin Name
Analog
Timers
Communication
Other
39
VDD_DREG
Power supply for on-chip voltage regulator.
40
DECOUPLE
Decouple output for on-chip voltage regulator. An external capacitance of size CDECOUPLE is required at this pin.
41
PE4
LCD_COM0
US0_CS #1
42
PE5
LCD_COM1
US0_CLK #1
43
PE6
LCD_COM2
US0_RX #1
44
PE7
LCD_COM3
US0_TX #1
45
PC12
ACMP1_CH4
CMU_CLK0 #1
46
PC13
ACMP1_CH5
TIM0_CDTI0 #1/3
TIM1_CC0 #0
PCNT0_S0IN #0
47
PC14
ACMP1_CH6
TIM0_CDTI1 #1/3
TIM1_CC1 #0
PCNT0_S1IN #0
48
PC15
ACMP1_CH7
TIM0_CDTI2 #1/3
TIM1_CC2 #0
DBG_SWO #1
49
PF0
LETIM0_OUT0 #2
DBG_SWCLK #0/1
50
PF1
LETIM0_OUT1 #2
DBG_SWDIO #0/1
51
PF2
LCD_SEG0
ACMP1_O #0
DBG_SWO #0
52
PF3
LCD_SEG1
TIM0_CDTI0 #2
53
PF4
LCD_SEG2
TIM0_CDTI1 #2
54
PF5
LCD_SEG3
TIM0_CDTI2 #2
55
IOVDD_5
Digital IO power supply 5.
56
PE8
LCD_SEG4
PCNT2_S0IN #1
57
PE9
LCD_SEG5
PCNT2_S1IN #1
58
PE10
LCD_SEG6
TIM1_CC0 #1
US0_TX #0
BOOT_TX
59
PE11
LCD_SEG7
TIM1_CC1 #1
US0_RX #0
BOOT_RX
60
PE12
LCD_SEG8
TIM1_CC2 #1
US0_CLK #0
61
PE13
LCD_SEG9
US0_CS #0
ACMP0_O #0
62
PE14
LCD_SEG10
LEU0_TX #2
63
PE15
LCD_SEG11
LEU0_RX #2
64
PA15
LCD_SEG12
4.2 Alternate functionality pinout
A wide selection of alternate functionality is available for multiplexing to various pins. This is shown in
Table 4.2 (p. 51). The table shows the name of the alternate functionality in the first column, followed
by columns showing the possible LOCATION bitfield settings.
Note
Some functionality, such as analog interfaces, do not have alternate settings or a LOCA-
TION bitfield. In these cases, the pinout is shown in the column corresponding to LOCA-
TION 0.
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